Features: Low Noise: Developed with the codes to reduce noise swells common with overdrive circuit, you get the quietest effect. Pure Signal: True bypass switching maintains pure signal flows when the overdrive pedal disengaged. Dedicated Drive & Volume & Tone knobs allow for precise effect tailoring. Solid Quality: Aluminium alloy body makes vintage overdrive pedal safe for transport, stable and strong. Developed with the quality chip to reduce noise swells common with distortion circuit, you get the quietest effect possible with this pedal. Easy Carry: The overdrive pedal has a small size body, light weight, suitable for out side gigs,powered by DC9V adapter (not included in this package). Specifications: Material: Power: DC9V adapter Dimension:92x42x52mm Power Supply: DC9V (not included in this package) Drive Knob: Adjust the degree of distortion Volume Knob: Adjust the volume of the sound Tone Knob: Adjust the intensity of the tone Input & Output Jack: Single ¼ inch (instrument cable) LED Light:LED indicator shows the working state True Bypass: minimizes tone loss Full metal shells: Aluminum alloy casing with stoving varnish finish Option Type:Vintage Overdrive,Ultimates Drive,Crunch Distortion,US Dream,ClassicChorus,Vintage Phase,Analog Chorus,Digital Delay,Tremolo,Analog Delay; Package Includes: 1x Guitar Effect Pedal 1xManual note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.